Background pattern 220 #2360
Dark CC 0A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Derived from a design in 'Storia del Palazzo Vecchio in Firenze', Aurelio Gotti, 1889.
Source Firkin
More Textures
School #1318
Yellow CC BY-SA 3.0Spice up your next school project with this icon background.
Source Swetha
Robots #125
Dark CC BY-SA 3.0And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Swirl@2X #948
Light CC BY-SA 3.0The name tells you it has curves. Oh yes, it does!
Source Peter Chon
Black Linen 2 #103
Dark CC BY-SA 3.0A new take on the black linen pattern. Softer this time.
Source Atle Mo
White Wall 3@2X #1149
Wall CC BY-SA 3.0This one needs to be used in small areas; you can see it repeat.
Source Luca
Light Striped Background #937
Stripes CC BY-SA 3.0A light background pattern with diagonal stripes. Here's a simple light striped background for you.
Source V. Hartikainen
Seed #1289
Wall CC 0Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Page ornament #1988
Dark CC 0From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Subtle Dots #921
Light CC BY-SA 3.0As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
Tex2res3 #723
Fabric CC BY-SA 3.0Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Floral background 22 (colour) #1779
Green CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Blue #1264
Paper CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Geometric Pattern Background@2X #787
Noise CC 0Prismatic Geometric Pattern Background
Source GDJ
Background pattern 272 (colour 3) #2055
Red CC 0A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Colourful background 14 (colour 2) #2525
Colorful CC 0An alternative colour scheme for the original background.
Source Firkin
Square ornament 26 #2590
Dark CC 0Square design drawn in Paint.net and vectorized in Vector Magic.
Source Firkin
Inspiration Geometry #1175
Unknow CC BY-SA 3.0This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Seamless Pink Background Texture #1233
Pink CC BY-SA 3.0A seamlessly tileable pink background texture.
Source V. Hartikainen